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<DIV>Committed Buffer Size (CBS) as a percentage of the buffer pool<BR>Maximum Buffer Size (MBS) as a percentage of the buffer pool</DIV>
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<DIV>but what's mean the MBS configure in policer context looks like :</DIV>
<DIV>policer 1 create<BR> rate 2048 cir 2048<BR> mbs 10 kilobytes ////////////////MBS maximum buffer size<BR> <BR></DIV>
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<DIV><B>发件人:</B> "Jonathon Exley";<Jonathon.Exley@chorus.co.nz>;</DIV>
<DIV><B>发送时间:</B> 2015年8月6日(星期四) 上午9:26</DIV>
<DIV><B>收件人:</B> "alcatel-nsp"<alcatel-nsp@puck.nether.net>; <WBR></DIV>
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<DIV><B>主题:</B> Re: [alcatel-nsp]回复： 回复： what's the difference between policer and queue,IN QOS for al 7750-SR</DIV></DIV>
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<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt">A policer does not buffer frames. The MBS is the max burst size and CBS is the committed burst size.<?XML:NAMESPACE PREFIX = O /><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt">For a queue, the MBS and CBS are buffer sizes – the queue depth.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
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<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt">Jonathon</SPAN><SPAN style="COLOR: #1f497d"> </SPAN><SPAN style="FONT-SIZE: 10pt">Exley</SPAN><SPAN style="COLOR: #1f497d"> </SPAN><B><SPAN style="COLOR: #00b0f0; FONT-SIZE: 13.5pt">|</SPAN></B><SPAN style="COLOR: #1f497d"> </SPAN><SPAN style="FONT-SIZE: 10pt">Network Specialist Layer 2</SPAN><SPAN style="COLOR: #1f497d"><o:p></o:p></SPAN></P></TD></TR>
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<P class=MsoNormal><SPAN style="COLOR: #1f497d; mso-fareast-language: EN-NZ"><IMG id=Picture_x0020_1 src="cid:A72770E1@A5D40705.40C0C255" width=25 height=12></SPAN><SPAN style="COLOR: #1f497d"> </SPAN><SPAN style="FONT-SIZE: 10pt">Chorus</SPAN><SPAN style="COLOR: #1f497d"> </SPAN><B><SPAN style="COLOR: #00b0f0; FONT-SIZE: 13.5pt">|</SPAN></B><SPAN style="COLOR: #1f497d"> </SPAN><B><SPAN style="FONT-SIZE: 8pt">T : </SPAN></B><SPAN style="FONT-SIZE: 8pt">+64 4 8964190</SPAN><SPAN style="COLOR: #1f497d"> </SPAN><B><SPAN style="COLOR: #00b0f0; FONT-SIZE: 13.5pt">| </SPAN></B><B><SPAN style="FONT-SIZE: 8pt">M :</SPAN></B><SPAN style="FONT-SIZE: 8pt">+64 27 5148048</SPAN><SPAN style="COLOR: #1f497d"><o:p></o:p></SPAN></P></TD></TR></TBODY></TABLE>
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<P class=MsoNormal><B><SPAN style="FONT-SIZE: 11pt" lang=EN-US>From:</SPAN></B><SPAN style="FONT-SIZE: 11pt" lang=EN-US> alcatel-nsp [mailto:alcatel-nsp-bounces@puck.nether.net] <B>On Behalf Of </B>??<BR><B>Sent:</B> Thursday, 6 August 2015 1:05 p.m.<BR><B>To:</B> Mark Ivens <mark@clara.net>; alcatel-nsp <alcatel-nsp@puck.nether.net><BR><B>Subject:</B> [alcatel-nsp] </SPAN><SPAN style="FONT-FAMILY: SimSun; FONT-SIZE: 11pt" lang=ZH-CN>回复：</SPAN><SPAN style="FONT-SIZE: 11pt" lang=ZH-CN> </SPAN><SPAN style="FONT-FAMILY: SimSun; FONT-SIZE: 11pt" lang=ZH-CN>回复：</SPAN><SPAN style="FONT-SIZE: 11pt" lang=ZH-CN> </SPAN><SPAN style="FONT-SIZE: 11pt" lang=EN-US>what's the difference between policer and queue,IN QOS for al 7750-SR<o:p></o:p></SPAN></P>
<P class=MsoNormal><o:p> </o:p></P>
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<P class=MsoNormal>Is that meaning policer will drop packages that out of the CIR?<o:p></o:p></P></DIV>
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<P class=MsoNormal><EM>In other words</EM>, policers can uses the Mbs buffer,but cann't use the CBS buffer.<o:p></o:p></P></DIV>
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<P class=MsoNormal>and that's the different that quenue can use the cbs buffer and mbs buffer.<o:p></o:p></P></DIV>
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<P class=MsoNormal> <o:p></o:p></P></DIV>
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<P class=MsoNormal>some configure looks like that:<o:p></o:p></P></DIV>
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<P class=MsoNormal> qos<BR> sap-ingress 2 create <o:p></o:p></P></DIV>
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<P class=MsoNormal> description "Qos-in-from-user-2M"<BR> queue 1 create<BR> exit<BR> queue 11 multipoint create<BR> exit<BR> policer 1 create<BR> rate 2048 cir 2048<BR> mbs 10 kilobytes<BR> exit<BR> policer 2 create<BR> rate 128 cir 128<BR> mbs 128 kilobytes<BR> cbs 64 kilobytes<BR> exit<BR> fc "af" create<BR> policer 1<BR> exit<BR> fc "be" create<BR> policer 1<BR> exit<BR> fc "ef" create<BR> policer 2<BR> exit<BR> fc "h1" create<BR> policer 1<BR> exit<BR> fc "h2" create<BR> policer 1<BR> exit<BR> fc "l1" create<BR> policer 1<BR> exit<BR> fc "l2" create<BR> policer 1<BR> exit<BR> fc "nc" create<BR> policer 1<BR> exit<BR> ip-criteria<BR> entry 10 create<BR> match protocol icmp<BR> exit<BR> action fc "ef"<BR> exit<BR> exit<BR> exit<o:p></o:p></P></DIV>
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<P class=MsoNormal><SPAN style="FONT-SIZE: 9pt">------------------ </SPAN><SPAN style="FONT-SIZE: 9pt" lang=ZH-CN>原始</SPAN><SPAN style="FONT-SIZE: 9pt" lang=ZH-CN>邮件</SPAN><SPAN style="FONT-SIZE: 9pt"> ------------------<o:p></o:p></SPAN></P></DIV>
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<P style="BACKGROUND: #efefef" class=MsoNormal><B><SPAN style="FONT-SIZE: 9pt" lang=ZH-CN>发件人</SPAN></B><B><SPAN style="FONT-SIZE: 9pt">:</SPAN></B><SPAN style="FONT-SIZE: 9pt"> "Mark Ivens";<</SPAN><A href="mailto:mark@clara.net"><SPAN style="FONT-SIZE: 9pt">mark@clara.net</SPAN></A><SPAN style="FONT-SIZE: 9pt">>;<o:p></o:p></SPAN></P></DIV>
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<P style="BACKGROUND: #efefef" class=MsoNormal><B><SPAN style="FONT-SIZE: 9pt" lang=ZH-CN>发送时间</SPAN></B><B><SPAN style="FONT-SIZE: 9pt">:</SPAN></B><SPAN style="FONT-SIZE: 9pt"> 2015</SPAN><SPAN style="FONT-SIZE: 9pt" lang=ZH-CN>年</SPAN><SPAN style="FONT-SIZE: 9pt">8</SPAN><SPAN style="FONT-SIZE: 9pt" lang=ZH-CN>月</SPAN><SPAN style="FONT-SIZE: 9pt">5</SPAN><SPAN style="FONT-SIZE: 9pt" lang=ZH-CN>日</SPAN><SPAN style="FONT-SIZE: 9pt">(</SPAN><SPAN style="FONT-SIZE: 9pt" lang=ZH-CN>星期三</SPAN><SPAN style="FONT-SIZE: 9pt">) </SPAN><SPAN style="FONT-SIZE: 9pt" lang=ZH-CN>晚上</SPAN><SPAN style="FONT-SIZE: 9pt">10:47<o:p></o:p></SPAN></P></DIV>
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<P style="BACKGROUND: #efefef" class=MsoNormal><B><SPAN style="FONT-SIZE: 9pt" lang=ZH-CN>收件人</SPAN></B><B><SPAN style="FONT-SIZE: 9pt">:</SPAN></B><SPAN style="FONT-SIZE: 9pt"> "alcatel-nsp"<</SPAN><A href="mailto:alcatel-nsp@puck.nether.net"><SPAN style="FONT-SIZE: 9pt">alcatel-nsp@puck.nether.net</SPAN></A><SPAN style="FONT-SIZE: 9pt">>; <o:p></o:p></SPAN></P></DIV>
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<P style="BACKGROUND: #efefef" class=MsoNormal><B><SPAN style="FONT-SIZE: 9pt" lang=ZH-CN>主</SPAN></B><B><SPAN style="FONT-SIZE: 9pt" lang=ZH-CN>题</SPAN></B><B><SPAN style="FONT-SIZE: 9pt">:</SPAN></B><SPAN style="FONT-SIZE: 9pt"> Re: [alcatel-nsp]</SPAN><SPAN style="FONT-SIZE: 9pt" lang=ZH-CN>回复：</SPAN><SPAN style="FONT-SIZE: 9pt"> what's the difference between policer and queue,IN QOS for al 7750-SR<o:p></o:p></SPAN></P></DIV></DIV>
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<P class=MsoNormal> <o:p></o:p></P></DIV>
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<P class=MsoNormal> <o:p></o:p></P></DIV>
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<P class=MsoNormal>On 05/08/2015 15:07, wrote:<BR>> sorry,subject is wrong,my question is<BR>> what's the difference between policer and queue,IN QOS for al 7750-SR<BR>A policer is used to drop traffic exceeding a certain rate.<BR><BR>A queue is memory used to absorb bursts of packets.<BR><BR>A shaper (rather than a policer) uses a queue to store non-conforming<BR>packets and attempts to de-queue them at a conforming rate.<BR>_______________________________________________<BR>alcatel-nsp mailing list<BR><A href="mailto:alcatel-nsp@puck.nether.net">alcatel-nsp@puck.nether.net</A><BR><A href="https://puck.nether.net/mailman/listinfo/alcatel-nsp">https://puck.nether.net/mailman/listinfo/alcatel-nsp</A><o:p></o:p></P></DIV></DIV>This communication, including any attachments, is confidential and may be legally privileged. If you are not the intended recipient, you should not read it - please contact me immediately, destroy it, and do not copy or use any part of this communication or disclose anything about it. Thank you. No confidentiality or privilege is waived or lost by any mis-transmission or error. Please note that this communication does not designate an information system for the purposes of the Electronic Transactions Act 2002.
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